Clamp device



FIG. 1 is a perspective view of a clamp device showing my new design;

FIG. 2 is a side view thereof, the opposing side being a mirror imagethereof; and,

FIG. 3 is a bottom view thereof.

The broken line showing of a locking plier is included for the purposeof illustrating environment and forms no part of the claimed design.

The ornamental design for a clamp device, as shown and described.